If these kinds of hacks become popular, I wouldn't be surprised if some school districts and standardized test makers decided to ban all non-stock-OS calculator

If these kinds of hacks become popular, I wouldn't be surprised if some school districts and standardized test makers decided to ban all non-stock-OS calculators in the near future. They might even partner with TI to add some sort of DRM and force students to buy these new, even more overpriced, "ETS-approved" calculators...